package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo1 {
    public static void main(String[] args) throws Exception{
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection conn = DriverManager.getConnection(
               "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
);
        System.out.println("与数据库连接成功");
        Statement state = conn.createStatement();
        /*
        CR
         */
        String sql = "CREATE TABLE userinfo("+
                "id INT PRIMARY KEY AUTO_INCREMENT,"+
                "username VARCHAR(32),"+
                "password VARCHAR(32),"+
                "nickname VARCHAR(32),"+
                "age INT(3)"+
                ")";
        /*
        boolean execute(String sql)
        该方法可以执行任意种类的SQL语句，当执行SQL后产生查询结果集返回true
        因为执行SQL
         */
        state.execute(sql);
        System.out.println("创建表成功");

        conn.close();
    }
}
